Question ATPL - Airline Transport Pilot license - Air Law

ATPL - Approach procedures - Instrument Approach AreaThe primary area of an instrument approach segment is:

The most critical part of the segment where the minimum altitude should be kept very carefully.

A defined area symmetrically disposed about the nominal flight track in which the Minimum Obstacle Clearance is provided.

The outside part of the segment where the obstacle clearance increases from zero ft to the appropriate minimum.

The first part of the segment.